it's happening just three months after being shot in the head by a taliban gunman for speaking out for female education in her native country. her recovery, however, is still far from over. she'll likely need to undergo cranial reconstructive surgery soon. >>> and now we head to the middle east. 27 american troops have arrived in turkey to help guard the country from missiles coming from syria. they will man a patriot missile defense system. meanwhile, syria's civil war rages on. the rebels have fought for three days to take control of the helicopter base in northern syria. this week the united nations estimated the death toll in syria has risen to more than 60,000 people. that's more than the number of american combat deaths in vietnam. but it may be hard to understand the emotional toll that it's taking on the people there. so an american activist traveled to syria to talk with the rebels, who say they prefer death over being caught by the regime. >> i joked that i have -- i always keep one bullet left in my gun for myself. >> yes. you must keep one bullet here in syria. you keep it